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Published in: The Journal of Supercomputing 4/2023

28-09-2022

An efficient parallelization method of Dempster–Shafer evidence theory based on CUDA

Authors: Kaiyi Zhao, Li Li, Zeqiu Chen, Jiayao Li, Ruizhi Sun, Gang Yuan

Published in: The Journal of Supercomputing | Issue 4/2023

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Abstract

The Dempster–Shafer (D–S) evidence theory is effective for uncertain reasoning; it does not require advanced information. The theory has been widely used in multi-sensor data fusion. However, the time complexity of fusing r pieces of evidence for n possible events using Dempster’s combination rule is \(\left( r-1\right) \times 2^{2n+1}\), which is considerable. In addition, none of the existing implementations of Dempster’s rule directly utilize the parallel performance of GPUs. In this study, an efficient parallelization method for implementing the D–S evidence theory, based on event-based binary encoding and kernel functions on GPUs, was developed. Theoretical analysis and simulation experiments show that the proposed method achieves a speedup of \(\frac{(r-1)2^{n}}{\lceil log_2 r \rceil }\), thereby reducing the time complexity of Dempster’s rule effectively.

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Metadata
Title
An efficient parallelization method of Dempster–Shafer evidence theory based on CUDA
Authors
Kaiyi Zhao
Li Li
Zeqiu Chen
Jiayao Li
Ruizhi Sun
Gang Yuan
Publication date
28-09-2022
Publisher
Springer US
Published in
The Journal of Supercomputing / Issue 4/2023
Print ISSN: 0920-8542
Electronic ISSN: 1573-0484
DOI
https://doi.org/10.1007/s11227-022-04810-y

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